perf symbols: Set alloc flag close to setting the long_name

This is a preparatory patch to do with dso__set_long_name what was done
with the short name variant.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-mb7eqhkyejq1qcf3p22wz2x7@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 14 insertions, 22 deletions

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 9c6989ca2bea..d7cff57945c2 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -154,7 +154,7 @@ static struct dso *kernel_get_module_dso(const char *module)
 
         vmlinux_name = symbol_conf.vmlinux_name;
         if (vmlinux_name) {
-                if (dso__load_vmlinux(dso, map, vmlinux_name, NULL) <= 0)
+                if (dso__load_vmlinux(dso, map, vmlinux_name, false, NULL) <= 0)
                         return NULL;
         } else {
                 if (dso__load_vmlinux_path(dso, map, NULL) <= 0) {
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 265a149bc43f..9a5de8837d6d 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -1408,7 +1408,8 @@ struct map *map_groups__find_by_name(struct map_groups *mg,
 }
 
 int dso__load_vmlinux(struct dso *dso, struct map *map,
-                      const char *vmlinux, symbol_filter_t filter)
+                      const char *vmlinux, bool vmlinux_allocated,
+                      symbol_filter_t filter)
 {
         int err = -1;
         struct symsrc ss;
@@ -1438,6 +1439,7 @@ int dso__load_vmlinux(struct dso *dso, struct map *map,
                 else
                         dso->data_type = DSO_BINARY_TYPE__VMLINUX;
                 dso__set_long_name(dso, (char *)vmlinux);
+                dso->long_name_allocated = vmlinux_allocated;
                 dso__set_loaded(dso, map->type);
                 pr_debug("Using %s for symbols\n", symfs_vmlinux);
         }
@@ -1456,21 +1458,16 @@ int dso__load_vmlinux_path(struct dso *dso, struct map *map,
 
         filename = dso__build_id_filename(dso, NULL, 0);
         if (filename != NULL) {
-                err = dso__load_vmlinux(dso, map, filename, filter);
-                if (err > 0) {
-                        dso->long_name_allocated = 1;
+                err = dso__load_vmlinux(dso, map, filename, true, filter);
+                if (err > 0)
                         goto out;
-                }
                 free(filename);
         }
 
         for (i = 0; i < vmlinux_path__nr_entries; ++i) {
-                err = dso__load_vmlinux(dso, map, vmlinux_path[i], filter);
-                if (err > 0) {
-                        dso__set_long_name(dso, strdup(vmlinux_path[i]));
-                        dso->long_name_allocated = 1;
+                err = dso__load_vmlinux(dso, map, vmlinux_path[i], false, filter);
+                if (err > 0)
                         break;
-                }
         }
 out:
         return err;
@@ -1607,15 +1604,8 @@ static int dso__load_kernel_sym(struct dso *dso, struct map *map,
         }
 
         if (!symbol_conf.ignore_vmlinux && symbol_conf.vmlinux_name != NULL) {
-                err = dso__load_vmlinux(dso, map,
-                                        symbol_conf.vmlinux_name, filter);
-                if (err > 0) {
-                        dso__set_long_name(dso,
-                                           strdup(symbol_conf.vmlinux_name));
-                        dso->long_name_allocated = 1;
-                        return err;
-                }
-                return err;
+                return dso__load_vmlinux(dso, map, symbol_conf.vmlinux_name,
+                                         false, filter);
         }
 
         if (!symbol_conf.ignore_vmlinux && vmlinux_path != NULL) {
@@ -1671,7 +1661,8 @@ static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map,
                  */
                 if (symbol_conf.default_guest_vmlinux_name != NULL) {
                         err = dso__load_vmlinux(dso, map,
-                                symbol_conf.default_guest_vmlinux_name, filter);
+                                                symbol_conf.default_guest_vmlinux_name,
+                                                false, filter);
                         return err;
                 }
 
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index f1031a1358a1..6de9c2b8a601 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -206,7 +206,8 @@ bool symsrc__possibly_runtime(struct symsrc *ss);
 
 int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
 int dso__load_vmlinux(struct dso *dso, struct map *map,
-                      const char *vmlinux, symbol_filter_t filter);
+                      const char *vmlinux, bool vmlinux_allocated,
+                      symbol_filter_t filter);
 int dso__load_vmlinux_path(struct dso *dso, struct map *map,
                            symbol_filter_t filter);
 int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map,